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Expression of type ExprTuple

from the theory of proveit.linear_algebra.linear_maps

In [1]:
import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import A, B, Composition, ExprTuple, K, Lambda, V
from proveit.linear_algebra import AntiCommutator, VecAdd, VecSpaces
from proveit.logic import Equals, Forall
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(K, Forall(instance_param_or_params = [V], instance_expr = Forall(instance_param_or_params = [A, B], instance_expr = Equals(AntiCommutator(A, B), VecAdd(Composition(A, B), Composition(B, A))), domain = V), domain = VecSpaces(K))))
expr:
In [3]:
# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")
Passed sanity check: expr matches stored_expr
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\left(K \mapsto \left[\forall_{V \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)}~\left[\forall_{A, B \in V}~\left(\left\{A, B\right\} = \left(\left(A \circ B\right) + \left(B \circ A\right)\right)\right)\right]\right]\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameter: 20
body: 2
2Operationoperator: 9
operand: 4
3ExprTuple4
4Lambdaparameter: 37
body: 6
5ExprTuple37
6Conditionalvalue: 7
condition: 8
7Operationoperator: 9
operand: 13
8Operationoperator: 11
operands: 12
9Literal
10ExprTuple13
11Literal
12ExprTuple37, 14
13Lambdaparameters: 38
body: 15
14Operationoperator: 16
operand: 20
15Conditionalvalue: 18
condition: 19
16Literal
17ExprTuple20
18Operationoperator: 21
operands: 22
19Operationoperator: 23
operands: 24
20Variable
21Literal
22ExprTuple25, 26
23Literal
24ExprTuple27, 28
25Operationoperator: 29
operands: 38
26Operationoperator: 30
operands: 31
27Operationoperator: 33
operands: 32
28Operationoperator: 33
operands: 34
29Literal
30Literal
31ExprTuple35, 36
32ExprTuple42, 37
33Literal
34ExprTuple41, 37
35Operationoperator: 39
operands: 38
36Operationoperator: 39
operands: 40
37Variable
38ExprTuple42, 41
39Literal
40ExprTuple41, 42
41Variable
42Variable